. >>> federal officials release aid report about two extremely close calls in chicago's busy o'hare airport. in both in stances, the planes came so close to colliding that pilots had to rely on quick reflexes, reflexes, and sheer luck. as abc's alex perez explains, changes have been made to keep it from happening again. >> reporter: a potentially deadly midair collision, express jet flight 6075 was taking off from chicago's o'hare airport in may 2011 when panning suddenly filled the cockpit. sky west 5958 coming in on a quote, collision course. the express jet pilot was able to react quickly averting disaster. newly released interviews reveal the pilot's fear after nearly being killed, i keyed up the meek and yelled to tt comptroller what the [ bleep ] was that, he said. just a few months later, close call at o'hare airport, same situation, same runways. as a result of the close calls here at o'hare airport, the faa has taken corrective action. there is a new virtual intersection warnened and the controller responsible for the two run ways now sit next to each other to eliminate confusion.